His career-high singles ranking was World No. 14 in 1994.

His career-high singles ranking is Number 9 in the world.

His career-high singles ranking is world no. 116, which he reached in May 2013.

Lloyd's career-high singles ranking was World No. 21 in 1978.

His career-high singles ranking was World No. 25 in 1988.

His career-high singles ranking was World No. 16 in 1991.

She reached a career-high singles ranking on November 20, 1989, when she became ranked the number 284 of the world.

His career-high singles ranking was World No. 3 in 1978.

His career-high singles ranking was World No. 10 in 1986.

Her career-high singles ranking is no. 562 achieved on August 6, 2012.